Category

Storm Surge (m)

Standardized values

Category 1

1.5

>0.25

Category 2

2.0 - 2.5

>0.25

Category 3

2.5 - 4.0

(0.26 - 0.5)

Category 4

4.0 - 5.5

(0.51 - 0.75)

Category 5

>5.5

(0.76 - 1)